Nivolumab After Combined Modality Therapy in Treating Patients With High Risk Stage II-IIIB Anal Cancer
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Eastern Cooperative Oncology Group
National Institutes of Health Clinical Center (CC)
National Cancer Institute (NCI)
Sahlgrenska University Hospital
Centre Hospitalier Universitaire de Besancon
OHSU Knight Cancer Institute
AIDS Malignancy Consortium